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Finding the Fourth Proportional to 73,578.70, 110,281.64 and 34,052.32

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Solution

The fourth proportional to 73,578.70, 110,281.64 and 34,052.32 is: 51,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,578.70 : 110,281.64 = 34,052.32 : x
  2. Step 2: Convert to fraction form
    73,578.70/110,281.64 = 34,052.32/x
  3. Step 3: Cross multiply
    73,578.70x = 110,281.64 × 34,052.32
  4. Step 4: Simplify right side
    73,578.70x = 3,755,345,695.40
  5. Step 5: Solve for x
    x = 3,755,345,695.40/73,578.70
  6. Step 6: Final answer
    x = 51,038.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.